826660066628 has 24 divisors (see below), whose sum is σ = 1590216322464. Its totient is φ = 372886217600.

The previous prime is 826660066543. The next prime is 826660066633.

826660066628 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71703125 + ... + 71714652.

It is an arithmetic number, because the mean of its divisors is an integer number (66259013436).

Almost surely, 2^826660066628 is an apocalyptic number.

It is an amenable number.

826660066628 is a deficient number, since it is larger than the sum of its proper divisors (763556255836).

826660066628 is a wasteful number, since it uses less digits than its factorization.

826660066628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143417923 (or 143417921 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 826660066628 in words is "eight hundred twenty-six billion, six hundred sixty million, sixty-six thousand, six hundred twenty-eight".